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Water Ch. 11 And 12
Test Description: Water sources, pollution, and treatment
Instructions: Answer all questions to get your test result.
1) What percent of freshwater is available for drinking?
A
30%
B
1%
C
70%
D
21%
2) What chemical is added to our drinking water to kill off microorganisms
A
Chlorine
B
Arsenic
C
Mercury
D
Lead
3) What is PPM?
A
Parts per minute
B
Parts per million
C
Parts per month
D
People per mile
4) One way thiscontaminant gets into our drinking water is from old plumbing
A
Lead
B
Chlorine
C
Arsenic
D
Amoebas
5) This is the process of water sinking into the ground
A
Transpiration
B
Infiltration
C
Sinklimation
D
Aquafication
6) Excessive nutrients entering a lake or pond cause an increase in plant growth which eventually may lead to the lake or pond becoming swampy. What is this process called?
A
Eutrophication
B
Lithification
C
Turnover
D
Sublimation
7) Large ocean going fish such as Tuna can accumulate heavy metals in their bodies which may make them unsafe to eat. Which of the following is a heavy metal sometimes found in these
A
Arsenic
B
Mercury
C
Bromine
D
Chlorine
8) Four water samples were tested for Lead. Which of the samples contains the most Lead? (HINT- BE SURE TO LOOK AT THE UNITS!!!)
A
25 ppb
B
15 ppm
C
.0005 ppm
D
1.5 ppm
9) How can a landfill affect our drinking water?
A
None of the above
B
They can't. They are perfectly safe
C
Birds carry away garbage and drop it in the ocean
D
Toxins can leak into the soil, getting into groundwater
10) Which solution is the most concentrated?
A
1 gallon of water, 3 tablespoons grape kool-aid
B
2 gallons of water, 4 tablespoons grape kool-aid
C
10 gallons of water, 10 tablespoons grape kool-aid
D
1 gallon of water, 1 tablespoon grape kool-aid
*select an answer for all questions
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